Akihiro Ohba

1.1k total citations
51 papers, 421 citations indexed

About

Akihiro Ohba is a scholar working on Oncology, Surgery and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Akihiro Ohba has authored 51 papers receiving a total of 421 indexed citations (citations by other indexed papers that have themselves been cited), including 32 papers in Oncology, 26 papers in Surgery and 25 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Akihiro Ohba's work include Pancreatic and Hepatic Oncology Research (21 papers), Cholangiocarcinoma and Gallbladder Cancer Studies (14 papers) and Gallbladder and Bile Duct Disorders (14 papers). Akihiro Ohba is often cited by papers focused on Pancreatic and Hepatic Oncology Research (21 papers), Cholangiocarcinoma and Gallbladder Cancer Studies (14 papers) and Gallbladder and Bile Duct Disorders (14 papers). Akihiro Ohba collaborates with scholars based in Japan, United States and Philippines. Akihiro Ohba's co-authors include Takuji Okusaka, Chigusa Morizane, Susumu Hijioka, Nobuyoshi Hiraoka, Hiroshi Yoshida, Yuta Maruki, Mitsuhito Sasaki, Yoshikuni Nagashio, Junji Furuse and Masafumi Ikeda and has published in prestigious journals such as Journal of Clinical Oncology, SHILAP Revista de lepidopterología and Scientific Reports.

In The Last Decade

Akihiro Ohba

43 papers receiving 418 citations

Peers

Countries citing papers authored by Akihiro Ohba

Since Specialization

Citations

This map shows the geographic impact of Akihiro Ohba's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Akihiro Ohba with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Akihiro Ohba more than expected).

Fields of papers citing papers by Akihiro Ohba

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Akihiro Ohba. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Akihiro Ohba. The network helps show where Akihiro Ohba may publish in the future.

Co-authorship network of co-authors of Akihiro Ohba

This figure shows the co-authorship network connecting the top 25 collaborators of Akihiro Ohba. A scholar is included among the top collaborators of Akihiro Ohba based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Akihiro Ohba. Akihiro Ohba is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	Incidence and factors associated with stent dysfunction and pancreatitis after gastroduodenal stenting for malignant gastric outlet obstruction 2024 ·SHILAP Revista de lepidopterología ·(unknown), Susumu Hijioka, Yoshikuni Nagashio, Yuta Maruki, (unknown), (unknown), Kohei Okamoto, (unknown), (unknown), (unknown), (unknown), (unknown), Akihiro Ohba, Shunsuke Kondo, Chigusa Morizane, Hideki Ueno, Miyuki Sone, Yutaka Saito, Takuji Okusaka	2
2	Efficacy of hemostasis by gastroduodenal covered metal stent placement for hemorrhagic duodenal stenosis due to pancreatobiliary cancer invasion: a retrospective study 2024 ·Clinical Endoscopy ·Yasunari Sakamoto, Taku Sakamoto, Akihiro Ohba, Mitsuhito Sasaki, Shunsuke Kondo, Chigusa Morizane, Hideki Ueno, Yutaka Saito, Yasuaki Arai, Takuji Okusaka	0
3	Trastuzumab Deruxtecan in Human Epidermal Growth Factor Receptor 2–Expressing Biliary Tract Cancer (HERB; NCCH1805): A Multicenter, Single-Arm, Phase II Trial 2024 ·Journal of Clinical Oncology ·Akihiro Ohba, Chigusa Morizane, Yasuyuki Kawamoto, Yoshito Komatsu, Makoto Ueno, Satoshi Kobayashi, Masafumi Ikeda, Mitsuhito Sasaki, Junji Furuse, Naohiro Okano, Nobuyoshi Hiraoka, Hiroshi Yoshida, Aya Kuchiba, Ryo Sadachi, Kenichi Nakamura, (unknown), Yoshiaki Nakamura, Wataru Okamoto, Takayuki Yoshino, Takuji Okusaka	20
4	1527P GnP vs mFOLFIRINOX or S-IROX in metastatic pancreatic cancer: 1-year follow-up updated data from the GENERATE (JCOG1611) 2024 ·Annals of Oncology ·Satoshi Kobayashi, Akihiro Ohba, (unknown), Junki Mizusawa, (unknown), Tomoki Yamashita, Masahiro Ikeda, Ichiro Yasuda, (unknown), Naoki Sasahira, (unknown), Ikuya Miki, (unknown), Nobumasa Mizuno, Mayumi Furukawa, Hiroki Shirakawa, (unknown), (unknown), J. Furuse, (unknown)	1
5	Immunogenicity after vaccination of COVID-19 vaccines in patients with cancer: a prospective, single center, observational study 2024 ·International Journal of Clinical Oncology ·Yuki Katsuya, Tatsuya Yoshida, Atsuo Takashima, Kan Yonemori, Akihiro Ohba, (unknown), Shigehiro Yagishita, Hiroko Nakahama, Osamu Kobayashi, Masatoshi Yanagida, Yasuhiro Irino, (unknown), Noboru Yamamoto	3
6	1522P S-1 monotherapy versus nanoliposomal irinotecan plus 5-fluorouracil/leucovorin regimen for second-line therapy of recurrent or metastatic pancreatic cancer (JON 2109-P) 2024 ·Annals of Oncology ·Yuichi Tozuka, Hiroshi Imaoka, (unknown), Satoshi Kobayashi, Akihiro Ohba, (unknown), Yoshimasa Suzuki, Hideyasu Tsumura, N. Kimura, Shohei Kawaguchi, (unknown), Shino Shimizu, (unknown), J. Furuse, Hiroaki Nagano	1
7	341P Clinical experience with S-1 or FOLFOX as third-line treatment in patients with metastatic pancreatic cancer who received first-line gemcitabine + nab-paclitaxel and second-line nanoliposomal-irinotecan + 5-FU/leucovorin 2024 ·Annals of Oncology ·Tomomi Sanomachi, Akihiro Ohba, Naoki Ogura, Hiroki Hara, (unknown), Morihito Okada, Yuta Maruki, (unknown), Shunsuke Kondo, (unknown), Chigusa Morizane, Hideki Ueno, Takuji Okusaka	0
8	Feasibility and safety of a novel plastic stent designed specifically for endoscopic ultrasound-guided pancreatic duct drainage 2024 ·SHILAP Revista de lepidopterología ·(unknown), Susumu Hijioka, Yoshikuni Nagashio, Yuta Maruki, Akihiro Ohba, (unknown), (unknown), (unknown), Kohei Okamoto, (unknown), (unknown), (unknown), (unknown), Shunsuke Kondo, Chigusa Morizane, Hideki Ueno, Yutaka Saito, Takuji Okusaka	2
9	Clinicopathological Findings and Treatment Outcomes of Patients with Primary Hepatobiliary Neuroendocrine Neoplasms: A Retrospective Single-institution Analysis 2023 ·Internal Medicine ·(unknown), Takuji Okusaka, Yuta Maruki, Akihiro Ohba, Yoshikuni Nagashio, Shunsuke Kondo, Susumu Hijioka, Chigusa Morizane, Hideki Ueno, Aoi Sukeda, (unknown), Takeshi Takamoto, Satoshi Nara, Daisuke Ban, Minoru Esaki, Nobuyoshi Hiraoka, Kazuaki Shimada	0
10	Clinical features of germline BRCA1/2 or ATM pathogenic variant positive pancreatic cancer in Japan 2023 ·Pancreatology ·(unknown), Chigusa Morizane, Noriko Tanabe, (unknown), Yuta Maruki, Akihiro Ohba, Yoshikuni Nagashio, Shunsuke Kondo, Susumu Hijioka, Hideki Ueno, Teruhiko Yoshida, Takuji Okusaka	6
11	1616O Nab-paclitaxel plus gemcitabine versus modified FOLFIRINOX or S-IROX in metastatic or recurrent pancreatic cancer (JCOG1611, GENERATE): A multicentred, randomized, open-label, three-arm, phase II/III trial 2023 ·Annals of Oncology ·Akihiro Ohba, Masato Ozaka, Gakuto Ogawa, Takuji Okusaka, Satoshi Kobayashi, Tatsuya Yamashita, Masafumi Ikeda, Ichiro Yasuda, Kazuya Sugimori, Naoki Sasahira, Kenji Ikezawa, Ikuya Miki, Naohiro Okano, Nobumasa Mizuno, Masae Furukawa, Hirofumi Shirakawa, Y. Sano, Hiroshi Katayama, Junji Furuse, Makoto Ueno	17
12	Efficient and accurate KRAS genotyping using digital PCR combined with melting curve analysis for ctDNA from pancreatic cancer patients 2023 ·Scientific Reports ·Junko Tanaka, Tatsuo Nakagawa, (unknown), Chigusa Morizane, Hidenori Tanaka, Satoshi Shiba, Akihiro Ohba, Susumu Hijioka, Erina Takai, Shinichi Yachida, (unknown), Takeshi Ishida, Takahide Yokoi, (unknown)	13
13	The influence of UGT1A1 polymorphisms on modified FOLFIRINOX dose in double-variant-type patients with advanced pancreatic cancer 2022 ·International Journal of Clinical Oncology ·(unknown), Chigusa Morizane, Yuta Maruki, Akihiro Ohba, Yoshikuni Nagashio, Shunsuke Kondo, Susumu Hijioka, Hideki Ueno, Takuji Okusaka	0
14	Protocol of a randomized phase II/III study of gemcitabine plus nab-paclitaxel combination therapy versus modified FOLFIRINOX versus S-IROX for metastatic or recurrent pancreatic cancer: JCOG1611 (GENERATE) 2022 ·Japanese Journal of Clinical Oncology ·Junki Mizusawa, Akihiro Ohba, Masato Ozaka, Hiroshi Katayama, Takuji Okusaka, Satoshi Kobayashi, Masafumi Ikeda, Takeshi Terashima, Naoki Sasahira, Naohiro Okano, Ikuya Miki, Takashi Kaneko, Nobumasa Mizuno, Akiko Todaka, Masayuki Furukawa, Shinya Kajiura, Tomoko Kataoka, Haruhiko Fukuda, Junji Furuse, Makoto Ueno	1
15	A phase II study of FOLFIRINOX with primary prophylactic pegfilgrastim for chemotherapy-naïve Japanese patients with metastatic pancreatic cancer 2021 ·International Journal of Clinical Oncology ·Mitsuhito Sasaki, Hideki Ueno, Shuichi Mitsunaga, Akihiro Ohba, (unknown), Satoshi Kobayashi, Makoto Ueno, Tetsuji Terazawa, Masahiro Goto, Dai Inoue, (unknown), Yasunari Sakamoto, Shunsuke Kondo, Chigusa Morizane, Masafumi Ikeda, Takuji Okusaka	5
16	A feasibility study of a peer discussion group intervention for patients with pancreatobiliary cancer and their caregivers 2021 ·Palliative & Supportive Care ·(unknown), (unknown), Naoko Matsunaga, (unknown), (unknown), (unknown), (unknown), Yuta Maruki, Akihiro Ohba, Ken Shimizu, Takuji Okusaka	3
17	Simultaneous endoscopic ultrasound-guided hepaticogastrostomy and bridging stenting with partial stent-in-stent method 2020 ·Endoscopy ·(unknown), Susumu Hijioka, Yoshikuni Nagashio, Akihiro Ohba, (unknown), Takuji Okusaka, Yutaka Saito	1
18	Novel simultaneous endoscopic ultrasound-guided hepaticoduodenostomy and hepaticogastrostomy for recurrent hepatic hilar obstruction 2018 ·Endoscopy ·Susumu Hijioka, Yasunari Sakamoto, Akihiro Ohba, Yuta Maruki, Justin Chan, Takuji Okusaka, Yutaka Saito	7
19	Prognostic Factors for Survival in Patients with Advanced Intrahepatic Cholangiocarcinoma Treated with Gemcitabine plus Cisplatin as First-Line Treatment 2017 ·Oncology ·(unknown), Shunsuke Kondo, Akihiro Ohba, Mitsuhito Sasaki, Yasunari Sakamoto, Chigusa Morizane, Hideki Ueno, Takuji Okusaka	11
20	Comparative effectiveness of gemcitabine vs gemcitabine+nab-paclitaxel vs FOLFIRINOX for unresectable pancreatic cancer 2017 ·Annals of Oncology ·Shun Yamamoto, Hideki Ueno, Midori Tanaka, Yuji Inagaki, Akihiro Ohba, Yasunari Sakamoto, Shunsuke Kondo, Chigusa Morizane, Takuji Okusaka	2

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact